Home / 156,686.84-234,510.30-142,679.10

Finding the Fourth Proportional to 156,686.84, 234,510.30 and 142,679.10

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Solution

The fourth proportional to 156,686.84, 234,510.30 and 142,679.10 is: 213,545.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,686.84 : 234,510.30 = 142,679.10 : x
  2. Step 2: Convert to fraction form
    156,686.84/234,510.30 = 142,679.10/x
  3. Step 3: Cross multiply
    156,686.84x = 234,510.30 × 142,679.10
  4. Step 4: Simplify right side
    156,686.84x = 33,459,718,544.73
  5. Step 5: Solve for x
    x = 33,459,718,544.73/156,686.84
  6. Step 6: Final answer
    x = 213,545.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.